﻿// Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.

using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Windows.Forms;

using ICSharpCode.Core;
using ICSharpCode.Core.WinForms;

namespace ICSharpCode.WixBinding
{
	public class AddChildElementsMenuBuilder : IMenuItemBuilder
	{
		public IEnumerable<object> BuildItems(Codon codon, object parameter)
		{
			StringCollection allowedChildElements = GetAllowedChildElements(parameter);
			return CreateMenuItems(allowedChildElements);
		}
		
		ToolStripMenuItem[] CreateMenuItems(StringCollection elements)
		{
			List<ToolStripMenuItem> items = new List<ToolStripMenuItem>();
			foreach (string element in elements) {
				items.Add(new AddElementCommand(element));
			}
			return items.ToArray();
		}
		
		/// <summary>
		/// Gets the allowed child elements for the current selected node.
		/// </summary>
		StringCollection GetAllowedChildElements(object owner)
		{
			WixTreeNode node = owner as WixTreeNode;
			WixPackageFilesTreeView treeView = owner as WixPackageFilesTreeView;
			if (node != null) {
				treeView = node.TreeView as WixPackageFilesTreeView;
			}
			
			if (treeView != null) {
				return treeView.AllowedChildElements;
			}
			return new StringCollection();
		}
	}
}
